Lou falls asleep peacefully in his room. He suddenly witnesses an apparition. His familiar surroundings have now disappeared and an unexpected little being appears in a burst of light. The child is lost. Has he just woken up or is he still asleep? He is disoriented, he is afraid. The only thing he remembers is his first name: Lou. His environment intrigues him, between dream and nightmare, Lou sees his world changing before his eyes. With the unexpected help of his new friend, he goes on a real quest of exploration to find his way back… and his identity.